Diff: HID/USBMouse.h

Revision:

0:cbe01b678bd4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HID/USBMouse.h	Sat Nov 19 22:54:22 2011 +0000
@@ -0,0 +1,187 @@
+/* USBMouse.h */
+/* USB device example: relative mouse */
+/* Copyright (c) 2011 ARM Limited. All rights reserved. */
+
+#ifndef USBMOUSE_H
+#define USBMOUSE_H
+
+#include "USBHID.h"
+
+#define REPORT_ID_MOUSE   2
+
+/* Common usage */
+
+enum MOUSE_BUTTON
+{
+    MOUSE_LEFT = 1,
+    MOUSE_RIGHT = 2,
+    MOUSE_MIDDLE = 4,
+};
+
+/* X and Y limits */
+/* These values do not directly map to screen pixels */
+/* Zero may be interpreted as meaning 'no movement' */
+#define X_MIN_ABS    (1)        /*!< Minimum value on x-axis */  
+#define Y_MIN_ABS    (1)        /*!< Minimum value on y-axis */
+#define X_MAX_ABS    (0x7fff)   /*!< Maximum value on x-axis */
+#define Y_MAX_ABS    (0x7fff)   /*!< Maximum value on y-axis */
+
+#define X_MIN_REL    (-127)     /*!< The maximum value that we can move to the left on the x-axis */
+#define Y_MIN_REL    (-127)     /*!< The maximum value that we can move up on the y-axis */
+#define X_MAX_REL    (127)      /*!< The maximum value that we can move to the right on the x-axis */
+#define Y_MAX_REL    (127)      /*!< The maximum value that we can move down on the y-axis */
+
+enum MOUSE_TYPE
+{
+    ABS_MOUSE,
+    REL_MOUSE,
+};
+
+/**
+ *
+ * USBMouse example
+ * @code
+ * #include "mbed.h"
+ * #include "USBMouse.h"
+ *
+ * USBMouse mouse;
+ *
+ * int main(void)
+ * {
+ *   while (1)
+ *   {
+ *      mouse.move(20, 0);
+ *      wait(0.5);
+ *   }
+ * }
+ *
+ * @endcode
+ *
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "USBMouse.h"
+ *
+ * USBMouse mouse(ABS_MOUSE);
+ *
+ * #include <math.h>
+ *
+ * int main(void)
+ * {
+ *   uint16_t x_center = (X_MAX_ABS - X_MIN_ABS)/2;
+ *   uint16_t y_center = (Y_MAX_ABS - Y_MIN_ABS)/2;
+ *   uint16_t x_screen = 0;
+ *   uint16_t y_screen = 0;
+ *   
+ *   uint32_t x_origin = x_center;
+ *   uint32_t y_origin = y_center;
+ *   uint32_t radius = 5000;
+ *   uint32_t angle = 0;
+ *
+ *   while (1)
+ *   {
+ *       x_screen = x_origin + cos((double)angle*3.14/180.0)*radius;
+ *       y_screen = y_origin + sin((double)angle*3.14/180.0)*radius;
+ *       
+ *       mouse.move(x_screen, y_screen);
+ *       angle += 3;
+ *       wait(0.01);
+ *   }
+ * }
+ *
+ * @endcode
+ */
+class USBMouse: public USBHID
+{
+    public:
+        
+        /**
+        *   Constructor
+        *
+        * @param mouse_type Mouse type: ABS_MOUSE (absolute mouse) or REL_MOUSE (relative mouse) (default: REL_MOUSE)
+        * @param vendor_id Your vendor_id (default: 0x1234)
+        * @param product_id Your product_id (default: 0x0001)
+        * @param product_release Your preoduct_release (default: 0x0001)
+        *
+        */
+        USBMouse(MOUSE_TYPE mouse_type = REL_MOUSE, uint16_t vendor_id = 0x1234, uint16_t product_id = 0x0001, uint16_t product_release = 0x0001): 
+            USBHID(vendor_id, product_id, product_release)
+            { 
+                button = 0;
+                this->mouse_type = mouse_type;
+            };
+        
+        /**
+        * Write a state of the mouse
+        *
+        * @param x x-axis position
+        * @param y y-axis position
+        * @param buttons buttons state (first bit represents MOUSE_LEFT, second bit MOUSE_RIGHT and third bit MOUSE_MIDDLE)
+        * @param z wheel state (>0 to scroll down, <0 to scroll up)
+        * @returns true if there is no error, false otherwise
+        */
+        bool update(int16_t x, int16_t y, uint8_t buttons, int8_t z);
+        
+        
+        /**
+        * Move the cursor to (x, y)
+        *
+        * @param x-axis position
+        * @param y-axis position
+        * @returns true if there is no error, false otherwise
+        */
+        bool move(int16_t x, int16_t y);
+        
+        /**
+        * Press one or several buttons
+        *
+        * @param button button state (ex: press(MOUSE_LEFT))
+        * @returns true if there is no error, false otherwise
+        */
+        bool press(uint8_t button);
+        
+        /**
+        * Release one or several buttons
+        *
+        * @param button button state (ex: release(MOUSE_LEFT))
+        * @returns true if there is no error, false otherwise
+        */
+        bool release(uint8_t button);
+        
+        /**
+        * Double click (MOUSE_LEFT)
+        *
+        * @returns true if there is no error, false otherwise
+        */
+        bool doubleClick();
+        
+        /**
+        * Click
+        *
+        * @param button state of the buttons ( ex: clic(MOUSE_LEFT))
+        * @returns true if there is no error, false otherwise
+        */
+        bool click(uint8_t button); 
+        
+        /**
+        * Scrolling
+        *
+        * @param z value of the wheel (>0 to go down, <0 to go up)
+        * @returns true if there is no error, false otherwise
+        */
+        bool scroll(int8_t z);
+        
+        /**
+        * To define the report descriptor. Warning: this method has to store the length of the report descriptor in reportLength.
+        *
+        * @returns pointer to the report descriptor
+        */
+        virtual uint8_t * reportDesc();
+        
+    private:
+        MOUSE_TYPE mouse_type;
+        uint8_t button;
+        bool mouseSend(int8_t x, int8_t y, uint8_t buttons, int8_t z);
+};
+
+#endif